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发明名称
Anordnung zur Bestimmung geringer Umlaufsgeschwindigkeiten von Organen, insbesondere zur Synchronisierung von Wechselstromerzeugern
摘要
申请公布号
DE645991(C)
申请公布日期
1937.06.05
申请号
DE1932S106669D
申请日期
1932.10.16
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
DAHNKEN DIPL.-ING. ERICH
分类号
G01P3/44
主分类号
G01P3/44
代理机构
代理人
主权项
地址
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